Powdery mildew, Alternaria and Cercospora are three important fungal foliar pathogens that can cause early defoliation in carrots, thus reducing yields and making harvest difficult. Each pathogen produces distinct symptoms.
Continue reading...July 6, 2022 Kris Holmstrom
Vegetable IPM Update 7/06/22
Sweet Corn Note: No trap data from the southern counties is available this week, so maps will not appear in this edition. European corn borer (ECB) moths remain a sporadic, low component of blacklight trap catches. Feeding in pre-tassel stage is still present in some areas, but is now less common. ECB injury over the […]
Continue reading...July 6, 2022 Andy Wyenandt
Diagnosing Southern blight and White mold in tomato and pepper
There have been a few reports of Southern blight (Sclerotinia rolfsii) and White mold (Sclerotinia sclerotiorum) on tomato and pepper in New Jersey. Southern blight is much more common in vegetable areas south of the state where summer temperatures remain hotter (above 90°F) for longer periods of time. Like white mold, it can survive in […]
Continue reading...July 5, 2022 Kate Brown
REMINDER: In-Person CORE Meetings in Burlington County
The second ‘CORE Extravaganza’ meeting hosted by Rutgers Cooperative Extension of Burlington County will be held Thursday, July 14, 2022. This is an in-person opportunity for licensed pesticide applicators to earn CORE and recertification credits. The July meeting also offers one (1) category credit for 1A, 10, and PP2. See details below.
Continue reading...July 5, 2022 Andy Wyenandt
Avoiding Plectosporium blight in cucurbit fields in 2022
Plectosporium blight, also known as Microdochium blight or White speck, caused significant problems in some pumpkin fields last summer in New Jersey. The soil-borne fungal pathogen, although somewhat uncommon, can unexpectedly show up in some years and cause significant losses if left uncontrolled. The fungus survives in the soil on decaying plant debris where it […]
Continue reading...July 4, 2022 Andy Wyenandt
Destroying cucurbit plantings after harvesting is a must to help mitigate downy mildew
Now is a good time to start thinking about ways to help mitigate cucurbit downy mildew pressure later in the production season. All cucurbit fields, especially cucumber and other summer squash fields should be destroyed immediately after the last harvest to help limit potential inoculum sources for cucurbit downy mildew. For a review of CDM […]
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